1) A cave or cavern.
洞穴洞，山洞
2) volcanic cave
火山洞穴
3) corrie
[英]['kɔri] [美]['kɔrɪ]
山腹洞穴
4) burrow
[英]['bʌrəʊ] [美]['bɝo]
穴洞，挖洞
5) Cave; cavern
洞穴/岩洞
6) caves
[英][keiv] [美][kev]
洞穴
1.
Study of Database Construction of Karst Caves in China;
中国岩溶洞穴数据库建设研究
2.
High-frequency seismic prospecting used to find caves in the rock-mass below stakes;
桩位下浅层基岩内洞穴的高频震波勘探研究
3.
When it was being drilled,a vertical well was drilled at first,and caves were made in coalbed gas sect,then a horizontal well were drilled at a distance of 200 m,horizontal segment were in connection with the caves,and 10 branch holes were lateral drilled symmetrically in horizontal sect.
钻进时,先钻一口直井并在煤层段造洞穴,在距200 m处钻一口水平井,水平段连通洞穴,再在水平段上对称侧钻出10个分支井眼。
补充资料：洞穴
地洞或山洞（多指能藏人或东西的）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条